On 03/29, Linus Torvalds wrote:
> On Wed, Mar 29, 2017 at 9:55 AM, Oleg Nesterov <o...@redhat.com> wrote:
> >
> > Once again, it is only used in arch/x86/kernel/signal.c by do_signal() and
> > handle_signal(). We do not care if mmap() returns a valid pointer with the
> > high bit set, regs-ax can't be confused with -ERESTART code.
> Immaterial. If the function is called "get_error()", it sure as hell
> shouldn't return a random non-error value.

Oh, I agree, and let me repeat the 3rd time that I suggest to kill this
helper and use syscall_get_return_value() in arch/x86/kernel/signal.c,
it has no other callers.


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